Re: Missing checks on return value of timestamp2tm in datetime.c

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Missing checks on return value of timestamp2tm in datetime.c
Date: 2015-06-30 12:57:07
Message-ID: CAB7nPqRry0MD2tPfe_LGnW2c5cADkwjKeC_vuDkA7NoHmLdY9w@mail.gmail.com
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On Tue, Jun 30, 2015 at 9:45 PM, Michael Paquier
<michael(dot)paquier(at)gmail(dot)com> wrote:
> timestamp2tm is called close to 40 times in the backend source code,
> returning -1 in case of failure. However, there are two places in datetime.c
> where we do not check for its return value: GetCurrentDateTime and
> GetCurrentTimeUsec.
> This does not really matter much in practice as the timestamp used is
> GetCurrentTransactionStartTimestamp(), but for correctness shouldn't we
> check for its return code and report ERRCODE_DATETIME_VALUE_OUT_OF_RANGE on
> error?
>
> Per se the patch attached.

And here is the patch.
(Thanks David R. for the poke).
--
Michael

Attachment Content-Type Size
20150630_datetime_checks.patch text/x-patch 1.1 KB

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